Preparation, characterization and application of chitosan/thyme essential oil composite film.

In order to prepare a chitosan-based antibacterial film with excellent mechanical properties and study its properties, the tape casting method was used to prepare the composite film from chitosan, glycerin and thyme essential oil. Through single factor test and response surface optimization test, the tensile strength and elongation at break were used as response indicators to prepare the composite film with better mechanical properties, and the physical properties, water vapor permeability, solubility and bacteriostasis of the composite film were measured, and the characterization of the microstructure of the composite films. The results showed that the optimized composite film ratio was 1.

Safety and efficacy of long-term gantenerumab treatment in dominantly inherited Alzheimer's disease: an open label extension of the phase 2/3 multicentre, randomised, double-blind, placebo-controlled platform DIAN-TU Trial.

Background: Amyloid-plaque removal by monoclonal antibody therapies slows clinical progression in symptomatic Alzheimer's disease; however, the potential for delaying the onset of clinical symptoms in asymptomatic people is unknown. The Dominantly Inherited Alzheimer Network Trials Unit (DIAN-TU) is an ongoing platform trial assessing the safety and efficacy of multiple investigational products in participants with dominantly inherited Alzheimer's disease (DIAD) caused by mutations. On the basis of findings of amyloid removal and downstream biological effects from the gantenerumab arm of the platform trial, we continued a 3-year open-label extension (OLE) study to assess the safety and efficacy of long-term treatment with high doses of gantenerumab.

Effect of the Alkali-Sulphate Activators on the Hydration Process of Blast-Furnace Slag Mortars and Pastes.

The alkali-activation of blast-furnace slags (BFSs) is a topic largely studied today. However, some types of activators, more environmentally friendly, have been less studied such as alkali-sulphate activators. In this study, the effect of four alkali-sulphate activators (NaSO, KSO, MgSO, CaSO.

Gadoxetic Acid-enhanced MRI Scoring Model to Predict Pathologic Features of Hepatocellular Carcinoma.

Background Prediction of high-risk pathologic features such as microvascular invasion (MVI), poorly differentiated pathologic grade (poor PG), and satellite nodules (SNs) has significant clinical value, as these features are associated with early recurrence and metastasis in hepatocellular carcinoma (HCC). Purpose To develop and validate a preoperative scoring model using gadoxetic acid-enhanced MRI features for noninvasive prediction of HCC high-risk pathologic features and early recurrence. Materials and Methods This retrospective study included consecutive patients with HCC who underwent preoperative gadoxetic acid-enhanced MRI at three centers (one training dataset and two external validation datasets) between January 2014 and January 2021.

Effectiveness of the 2023-to-2024 XBB.1.5 COVID-19 Vaccines Over Long-Term Follow-up : A Target Trial Emulation.

Background: Monovalent COVID-19 vaccines targeting the XBB.1.5 Omicron variant were introduced in September 2023.

Electrocatalytic Alkene Hydrogenation/Deuteration.

Traditional reductions of alkenes, such as using stoichiometric reductants with waste generation and catalytic hydrogenation with high-pressure H, are accompanied by environmental or safety issues. Herein, we demonstrated a universal method for the electrocatalytic hydrogenation and deuteration of alkenes with modified electrodes under ambient temperature. The key M-H/M-D species for alkene reduction were generated from the electrolysis of HO/DO on modified electrodes, which avoided the usage of H and D.

Poor Olfaction and Risk of Stroke in Older Adults: The Atherosclerosis Risk in Communities Study.

Background: Poor olfaction may be associated with adverse cerebrovascular events, but empirical evidence is limited. We aimed to investigate the association of olfaction with the risk of stroke in the Atherosclerosis Risk in Communities Study.

Methods: We included 5799 older adults with no history of stroke at baseline from 2011 to 2013 (75.

Genome-wide profiling of tRNA modifications by Induro-tRNAseq reveals coordinated changes.

While all native tRNAs undergo extensive post-transcriptional modifications as a mechanism to regulate gene expression, mapping these modifications remains challenging. The critical barrier is the difficulty of readthrough of modifications by reverse transcriptases (RTs). Here we use Induro-a new group-II intron-encoded RT-to map and quantify genome-wide tRNA modifications in Induro-tRNAseq.

Edentulism or Poor Oral Hygiene: Which Is the Stronger Predictor for All-Cause Mortality?

: All-cause mortality consisting of several heterogeneous subgroups does not have a well-defined set of risk factors. Despite the well-described role of oral hygiene on mortality, the association between the condition of the existing dentition and mortality remains unclear. Therefore, we embarked on the current study to assess the association of oral hygiene self-care (OHS) with all-cause mortality.

Enhanced sensitivity and scalability with a Chip-Tip workflow enables deep single-cell proteomics.

Single-cell proteomics (SCP) promises to revolutionize biomedicine by providing an unparalleled view of the proteome in individual cells. Here, we present a high-sensitivity SCP workflow named Chip-Tip, identifying >5,000 proteins in individual HeLa cells. It also facilitated direct detection of post-translational modifications in single cells, making the need for specific post-translational modification-enrichment unnecessary.

Safety and Efficacy of Remote Ischemic Conditioning in Patients With Intravenous Thrombolysis: The SERIC-IVT Trial.

Background: Approximately half of the patients with acute ischemic stroke who receive intravenous thrombolysis (IVT) do not achieve an excellent outcome. Remote ischemic conditioning (RIC) as a promising neuroprotective treatment may improve clinical outcomes in this population. This study aimed to assess the efficacy and safety of RIC in patients with IVT.

Intratumor heterogeneity of EGFR expression mediates targeted therapy resistance and formation of drug tolerant microenvironment.

Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors are commonly used to treat non-small cell lung cancers with EGFR mutations, but drug resistance often emerges. Intratumor heterogeneity is a known cause of targeted therapy resistance and is considered a major factor in treatment failure. This study identifies clones of EGFR-mutant non-small cell lung tumors expressing low levels of both wild-type and mutant EGFR protein.

INSIHGT: an accessible multi-scale, multi-modal 3D spatial biology platform.

Biological systems are complex, encompassing intertwined spatial, molecular and functional features. However, methodological constraints limit the completeness of information that can be extracted. Here, we report the development of INSIHGT, a non-destructive, accessible three-dimensional (3D) spatial biology method utilizing superchaotropes and host-guest chemistry to achieve homogeneous, deep penetration of macromolecular probes up to centimeter scales, providing reliable semi-quantitative signals throughout the tissue volume.

Early Lung Adenocarcinoma Manifesting as Irregular Subsolid Nodules: Clinical and CT Characteristics.

Rationale And Objectives: To explore the clinical and computed tomography (CT) characteristics of early-stage lung adenocarcinoma (LADC) that presents with an irregular shape.

Materials And Methods: The CT data of 575 patients with stage IA LADC and 295 with persistent inflammatory lesion (PIL) manifesting as subsolid nodules (SSNs) were analyzed retrospectively. Among these patients, we selected 233 patients with LADC and 140 patients with PIL, who showed irregular SSNs, hereinafter referred to as irregular LADC (I-LADC) and irregular PIL (I-PIL), respectively.

Ring Size Effects on the Structures of Sandwich Compounds with a Stoichiometry of CHM (M = Ti-Ni).

Ring size effects on geometries and electronic structures were investigated for the (C H )M(C H ) ( = 4, 5, or 6; = 8, 7, or 6; + = 12; M = Ti-Ni) systems using density functional theory. The lowest-energy CHM structures for the early transition metals titanium, vanadium, and chromium are the experimentally known singlet (η-CH)Ti(η-CH), doublet (η-CH)V(η-CH), and singlet (η-CH)Cr, respectively. The likewise experimentally known singlet (η-CH)Ti, doublet (η-CH)V, and singlet (η-CH)Cr(η-CH) are the second-lowest-energy structures with only a small energy difference between the two vanadium structures.

Diverse Phenotypes, Consistent Treatment: A Study of 30 997 South Asian and White Inflammatory Bowel Disease Patients Using the UK Inflammatory Bowel Disease BioResource.

Background: Studies in the UK and North America have suggested a distinct disease profile in South Asians compared to that of White populations. Disparities in the medical and surgical management of IBD in minority ethnic groups (including Black Americans and Asians) in the US have been shown, while data from Europe, including the UK, have been lacking. This study sought to evaluate South Asian (SA) and White (WH) inflammatory bowel disease (IBD) phenotypes, and to explore treatment approach variations between these cohorts in the UK using the IBD BioResource database.

Effect of extracorporeal shock wave therapy on nerve conduction: a systematic review and meta-analysis.

Background: Extracorporeal shock wave therapy (ESWT), as a non-invasive physical agent modality, was effective in relieving spasticity, reducing pain, and improving dysfunction. This systematic review and meta-analysis aimed to investigate the effect of ESWT on nerve conduction, and to find out whether the ESWT group is superior to the control or other comparison groups, thus providing support for guiding the rehabilitation of peripheral nerve injury in clinical work.

Methods: PubMed, Web of Science, the Cochrane Library, and Embase were searched from inception to August 20, 2024.

Mucosal SARS-CoV-2 S1 adenovirus-based vaccine elicits robust systemic and mucosal immunity and protects against disease in animals.

Unlabelled: The COVID-19 pandemic has emphasized the importance and need for accessible safe, effective, and versatile vaccine platforms. While approved SARS-CoV-2 vaccines have been instrumental in saving lives and reducing healthcare and economic burdens, the induction of mucosal immunity remains an unmet need. Here, we engineered and evaluated a non-replicating adenovirus 5 (rAd5)-based vaccine expressing the SARS-CoV-2 S1 subunit (rAd5-SARS2-S1).

A combination screening strategy based on UPLC-HRMS and UPLC-MRM for the comprehensive analysis of malonyl-substituted flavonoid glycosides in Astragalus.

Recently, malonylated glycosides have received increasing attention in the study of medicinal plants due to their significant physiological functions. A few malonyl-substituted flavonoid glycosides (MFGs) have been reported in Astragalus, however, the number of MFGs was limited. This study established screening strategies based on ultra-high-performance liquid chromatography - high resolution mass spectrometry (UPLC-HRMS) and ultra-high-performance liquid chromatography - multiple reaction monitoring (UPLC-MRM) to screen and quantify MFGs in Astragalus.

A metagenome-assembled genome inventory for children reveals early-life gut bacteriome and virome dynamics.

Existing microbiota databases are biased toward adult samples, hampering accurate profiling of the infant gut microbiome. Here, we generated a metagenome-assembled genome inventory for children (MAGIC) from a large collection of bulk and viral-like particle-enriched metagenomes from 0 to 7 years of age, encompassing 3,299 prokaryotic and 139,624 viral species-level genomes, 8.5% and 63.

Simultaneous Quantification of 66 Compounds in Two Tibetan Species Reveals Four Chemical Features by Database-Enabled UHPLC-Q-Orbitrap-MS/MS Analysis.

Nannf. (CoC) and Nannf. (CoN) are two traditional Tibetan medicinal herbs (Zangdangshen), which have been widely used in the treatment of various diseases.

Discovery of Plasma Lipids as Potential Biomarkers Distinguishing Breast Cancer Patients from Healthy Controls.

The development of a sensitive and specific blood test for the early detection of breast cancer is crucial to improve screening and patient outcomes. Existing methods, such as mammography, have limitations, necessitating the exploration of alternative approaches, including circulating factors. Using 598 prospectively collected blood samples, a multivariate plasma-derived lipid biomarker signature was developed that can distinguish healthy control individuals from those with breast cancer.

Engineered odorant receptors illuminate the basis of odour discrimination.

How the olfactory system detects and distinguishes odorants with diverse physicochemical properties and molecular configurations remains poorly understood. Vertebrate animals perceive odours through G protein-coupled odorant receptors (ORs). In humans, around 400 ORs enable the sense of smell.